Academic literature on the topic 'Benesi Hildebrand equation'

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Journal articles on the topic "Benesi Hildebrand equation"

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Scott, Robert L. "Some comments on the Benesi-Hildebrand equation." Recueil des Travaux Chimiques des Pays-Bas 75, no. 7 (2010): 787–89. http://dx.doi.org/10.1002/recl.19560750711.

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Alam, F., S. B. Neogi, A. Das та ін. "Encapsulation of Biologically Potent Neurotransmitters into HP-β-CD Probed by Physicochemical Approach simultaneously Optimized by Computational Studies". Journal of Scientific Research 16, № 3 (2024): 783–801. http://dx.doi.org/10.3329/jsr.v16i3.69752.

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The inclusion complexes of the neurotransmitters, namely (±) epinephrine hydrochloride, dopamine hydrochloride, and tyramine hydrochloride in an aqueous medium, were studied physicochemically and spectroscopically. These rendered systems of drug delivery with the potential to ensure delivery to desired targets. The stoichiometry of the 1:1 ratio of host-guest binding was established using Job plots. Conductimetric studies gained an understanding of inclusion as a process. Furthermore, 1H NMR was used to characterize the inclusions, and the Benesi Hildebrand equation was applied to obtain the a
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Bhavya, P., R. M. Melavanki, D. Nagaraja, H. S. Geethanjali, R. A. Kusanur, and M. N. Manjunatha. "Binding interaction between 2-methoxy-5-fluoro phenyl boronic acid and sugars: Effect of structural change of sugars on binding affinity." Canadian Journal of Physics 94, no. 12 (2016): 1384–89. http://dx.doi.org/10.1139/cjp-2016-0484.

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The binding interaction of 2-methoxy-5-fluoro phenyl boronic acid with various sugars like dextrose, arabinose, xylose, sucrose, and lactose is investigated in aqueous medium at pH 7.4 using the fluorescence spectroscopic method. Fluorescence intensity is reduced upon addition of sugars. The change in the intensity is attributed to breaking of intramolecular hydrogen bonding and to the lesser stability of boronic ester. Data are analyzed using the Benesi–Hildebrand equation and Lineweaver–Burk equation. The estimated binding constants are greater in mono sugars arabinose and xylose. The fact t
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Shahi, Neelam, Kumar Shah, Prasad Yadav, and Ajaya Bhattarai. "The spectral study of azo dye and cationic surfactant interaction in ethanol-water mixture." Journal of the Serbian Chemical Society 86, no. 5 (2021): 483–94. http://dx.doi.org/10.2298/jsc201116020s.

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The interaction of the azo dye methyl red (MR) with dodecyl trimethyl ammonium bromide (DTAB) has been studied by the spectrometric methods through the azo-hydrazone tautomeric behaviour of MR for a series of the ethanol?water system (0.1, 0.2, 0.3 and 0.4 volume fractions of ethanol) at room temperature. The critical micelle concentration was determined using the conductometric technique with the increased ethanol volume, influenced by the solvent polarity and the architectural flexibility of methyl red. The azo form of methyl red brings the electrostatic interaction with the cationic surfact
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Grigoras, Anca, and Virgil Barboiu. "Influence of acceptor functionality on charge transfer interactions in mixtures of poly(9-vinylcarbazole) with nitroaromatic compounds." Open Chemistry 10, no. 2 (2012): 313–19. http://dx.doi.org/10.2478/s11532-011-0144-1.

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AbstractCharge transfer interactions in mixtures of poly(9-vinylcarbazole) with three nitro compounds (4,4′dinitrodibenzyl, ethyl 3,5-dinitrobenzoate and 2,2′,4,4′-tetranitrodibenzyl) were examined. GPC shows an increase of apparent polymer weight average molecular weight (MW) in mixtures compared with pure PVK. Electron acceptors show upfield 1H-NMR shifts for all mixtures. The equilibrium association constants (k) calculated from the Benesi-Hildebrand equation are 0.511, 1.371, and 1.868 L mol−1 for PVK blends with DNDB, DNBE and TNDB, respectively. Shifts of (−NO2) stretch vibrations in mix
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Longo, Luigia, Giuseppe Vasapollo, Anna Scardino, Rosaria Anna Picca, and Cosimino Malitesta. "Synthesis of a new substituted zinc phthalocyanine as functional monomer in the preparation of MIPs." Journal of Porphyrins and Phthalocyanines 10, no. 08 (2006): 1061–65. http://dx.doi.org/10.1142/s1088424606000417.

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A new zinc phthalocyanine peripherally substituted with methacrylic groups was synthesized to be employed as a functional monomer in the formation of molecularly imprinted polymers as nucleoside receptors. The binding affinity and selectivity of the synthesized phthalocyanine towards nucleosides were evaluated by UV-vis titration experiments in CH 2 Cl 2 at 298 K. The binding constant ( K a) and Gibbs free energy changes (-Δ G 0) were calculated according to the modified Benesi-Hildebrand equation. Binding experiments showed that K a of phthalocyanine with tri-O-acetyladenosine ( TOAA ) is 1.3
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Rahaman, Habibur, Niloy Roy, Aditi Roy, Samapika Ray та Mahendra Nath Roy. "Exploring Existence of Host-Guest Inclusion Complex of β-Cyclodextrin of a Biologically Active Compound with the Manifestation of Diverse Interactions". Emerging Science Journal 2, № 5 (2018): 251. http://dx.doi.org/10.28991/esj-2018-01149.

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The host–guest interaction of p-nitro benzaldehyde as guest β-Cyclodextrins have been investigated which have significant applications in the field of medicine such as controlled drug delivery. The 1H NMR study confirms the formation of inclusion complex while surface tension and conductivity studies support the formation inclusion complex with 1:1 stoichiometry. The stoichiometry of the inclusion complex was also supported with Job’s plot method by UV-Visible spectroscopy. FT-IR spectra and SEM study also support the inclusion process. Association constants of the inclusion complexes have bee
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Agatić, Zita Farkaš, Vesna Tepavčević, Gorana Puača, and Mihalj Poša. "Interaction of drug molecules with surfactants below (Benesi-Hildebrand equation) and above the critical micelle concentration (Kawamura equation)." International Journal of Pharmaceutics 665 (November 2024): 124675. http://dx.doi.org/10.1016/j.ijpharm.2024.124675.

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Qureshi, Pushkin M., Rishi K. Varshney та Sant Bahadur Singh. "Evaluation of ε for p-dinitrobenzene—aniline complexes by the Scott equation. Failure of the Benesi—Hildebrand equation". Spectrochimica Acta Part A: Molecular Spectroscopy 50, № 10 (1994): 1789–90. http://dx.doi.org/10.1016/0584-8539(94)80184-3.

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Jado, Demelash, Khalid Siraj, and Nathan Meka. "Electron Donor-Acceptor Interaction of 8-Hydroxyquinoline with Citric Acid in Different Solvents: Spectroscopic Studies." Journal of Applied Chemistry 2014 (August 17, 2014): 1–7. http://dx.doi.org/10.1155/2014/484361.

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Charge transfer complex formation between 8-hydroxyquinoline as the electron donor and citric acid as the electron acceptor has been studied spectrophotometrically in ethanol and methanol solvents at room temperature. Absorption band due to charge transfer complex formation was observed near 320 and 325 nm in ethanol and methanol, respectively. The stoichiometric ratio of the complex has been found 3 : 1 by using Job’s and conductometric titration methods. Benesi-Hildebrand equation has been applied to estimate the formation constant and molecular extinction coefficient. It was found that the
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Conference papers on the topic "Benesi Hildebrand equation"

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Tang, Shi, Jiani Guo, Zhaoqin Wei, and Xiaoxia Sun. "Fluorescence recognition of lysine and a novel chiral BINOL complex calculated by using the Hildebrand-Benesi equation." In 2022 International Conference on Cloud Computing, Big Data and Internet of Things (3CBIT). IEEE, 2022. http://dx.doi.org/10.1109/3cbit57391.2022.00041.

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